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#ifndef MAT_MUL_LAYER_H
#define MAT_MUL_LAYER_H

#include <training/base/layers/BasicLayer.h>

#include <training/base/common/Common.h>

namespace raul
{
/**
 * @brief MatMul
 *
 *  Scalar multiplication of last two dimensions of two tensors.
 *  Depth and batch size must be the same.
 *  [N, C, H1, W1] x [N, C, W1, W2] -> [N, C, H1, W2]
 *
 */
class MatMulLayer : public BasicLayer
{
  public:
    MatMulLayer(const Name& name, const MatMulParams& params, NetworkParameters& networkParameters);

    MatMulLayer(MatMulLayer&&) = default;
    MatMulLayer(const MatMulLayer&) = delete;
    MatMulLayer& operator=(const MatMulLayer&) = delete;

  private:
    dtype mCoeff;
    size_t mDepth;

    template<typename MM>
    friend class MatMulLayerCPU;
};
} // raul namespace
#endif